Book digitized by Google from the library of the University of California and uploaded to the Internet Archive by user tpb.
Formerly known as "Tractatus agendorum". It is found in two codices, codex Elstrawianus II or Palatinus Vindobonensis 5070 and codex Palatinus 595. Attributed to Cardinal Peter von Ailli, Cardinal Zabarella and others. Probably written about 1413.